package com.saascloud.web.core.coverter;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;
import com.alibaba.fastjson.serializer.SerializerFeature;
import com.alibaba.fastjson.support.config.FastJsonConfig;
import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
import com.saascloud.core.pojo.R;
import com.saascloud.core.pojo.User;
import org.springframework.boot.autoconfigure.http.HttpMessageConverters;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;

import java.util.ArrayList;
import java.util.List;

/**
 * @Author: liangxu
 * @Contact: one_dream@aliyun.com
 * @Date: 2022/5/27 15:53
 * @Version: 1.0
 * @Description:
 */
public class FastJsonHttpMessageConverterBuilder {

    public static HttpMessageConverters builder() {
        // 1.定义一个converters转换消息的对象
        FastJsonHttpMessageConverter fastConverter = new FastJsonHttpMessageConverter();
        // 2.添加fastjson的配置信息，比如: 是否需要格式化返回的json数据
        FastJsonConfig fastJsonConfig = new FastJsonConfig();
        fastJsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat);
        // 3.在converter中添加配置信息
        fastConverter.setFastJsonConfig(fastJsonConfig);
        //处理中文乱码问题
        List<MediaType> oFastMediaTypeList = new ArrayList<>();
        oFastMediaTypeList.add(MediaType.APPLICATION_JSON);
        fastConverter.setSupportedMediaTypes(oFastMediaTypeList);
        // 4.将converter赋值给HttpMessageConverter
        HttpMessageConverter<?> converter = fastConverter;
        // 5.返回HttpMessageConverters对象
        return new HttpMessageConverters(converter);
    }

    public static void main(String[] args) {
        String s = "{\"code\":0,\"data\":{\"userId\":null,\"userName\":\"name-2044942249\",\"phone\":null,\"tenantId\":null},\"msg\":null,\"currentTime\":1653635776587}";
        R<User> R = JSON.parseObject(s, new TypeReference<R<User>>(){});
        System.out.println(R.getData().getUserName());
    }
}
